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G4ITDecay Class Reference

#include <G4ITDecay.hh>

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Public Member Functions

 G4ITDecay (const G4ParticleDefinition *theParentNucleus, const G4double &theBR, const G4double &Qvalue, const G4double &excitation)
 
virtual ~G4ITDecay ()
 
virtual G4DecayProducts * DecayIt (G4double)
 
virtual void DumpNuclearInfo ()
 
void SetARM (G4bool onoff)
 
- Public Member Functions inherited from G4NuclearDecay
 G4NuclearDecay (const G4String &channelName, const G4RadioactiveDecayMode &mode, const G4double &excitation, const G4Ions::G4FloatLevelBase &floatingLevel)
 
virtual ~G4NuclearDecay ()
 
G4RadioactiveDecayMode GetDecayMode ()
 
G4double GetDaughterExcitation ()
 
G4Ions::G4FloatLevelBase GetFloatingLevel ()
 
G4ParticleDefinition * GetDaughterNucleus ()
 
void SetHLThreshold (G4double HLT)
 
G4double GetHLThreshold ()
 
- Public Member Functions inherited from G4VDecayChannel
 G4VDecayChannel (const G4String &aName, G4int Verbose=1)
 
 G4VDecayChannel (const G4String &aName, const G4String &theParentName, G4double theBR, G4int theNumberOfDaughters, const G4String &theDaughterName1, const G4String &theDaughterName2="", const G4String &theDaughterName3="", const G4String &theDaughterName4="")
 
virtual ~G4VDecayChannel ()
 
G4int operator== (const G4VDecayChannel &right) const
 
G4int operator!= (const G4VDecayChannel &right) const
 
G4int operator< (const G4VDecayChannel &right) const
 
const G4String & GetKinematicsName () const
 
G4double GetBR () const
 
G4int GetNumberOfDaughters () const
 
G4ParticleDefinition * GetParent ()
 
G4ParticleDefinition * GetDaughter (G4int anIndex)
 
G4int GetAngularMomentum ()
 
const G4String & GetParentName () const
 
const G4String & GetDaughterName (G4int anIndex) const
 
G4double GetParentMass () const
 
G4double GetDaughterMass (G4int anIndex) const
 
void SetParent (const G4ParticleDefinition *particle_type)
 
void SetParent (const G4String &particle_name)
 
void SetBR (G4double value)
 
void SetNumberOfDaughters (G4int value)
 
void SetDaughter (G4int anIndex, const G4ParticleDefinition *particle_type)
 
void SetDaughter (G4int anIndex, const G4String &particle_name)
 
void SetVerboseLevel (G4int value)
 
G4int GetVerboseLevel () const
 
void DumpInfo ()
 
G4double GetRangeMass () const
 
void SetRangeMass (G4double val)
 
virtual G4bool IsOKWithParentMass (G4double parentMass)
 
void SetPolarization (const G4ThreeVector &)
 
const G4ThreeVector & GetPolarization () const
 

Additional Inherited Members

- Protected Member Functions inherited from G4VDecayChannel
void ClearDaughtersName ()
 
void CheckAndFillDaughters ()
 
void CheckAndFillParent ()
 
 G4VDecayChannel ()
 
 G4VDecayChannel (const G4VDecayChannel &)
 
G4VDecayChannel & operator= (const G4VDecayChannel &)
 
G4double DynamicalMass (G4double massPDG, G4double width, G4double maxDev=+1.) const
 
- Protected Attributes inherited from G4NuclearDecay
const G4RadioactiveDecayMode theMode
 
- Protected Attributes inherited from G4VDecayChannel
G4String kinematics_name
 
G4double rbranch
 
G4int numberOfDaughters
 
G4String * parent_name
 
G4String ** daughters_name
 
G4double rangeMass
 
G4ThreeVector parent_polarization
 
G4ParticleTable * particletable
 
G4int verboseLevel
 
G4ParticleDefinition * G4MT_parent
 
G4ParticleDefinition ** G4MT_daughters
 
G4double G4MT_parent_mass
 
G4double * G4MT_daughters_mass
 
G4double * G4MT_daughters_width
 
G4Mutex daughtersMutex
 
G4Mutex parentMutex
 
- Static Protected Attributes inherited from G4VDecayChannel
static const G4String noName = " "
 

Detailed Description

Definition at line 46 of file G4ITDecay.hh.

Constructor & Destructor Documentation

G4ITDecay::G4ITDecay ( const G4ParticleDefinition *  theParentNucleus,
const G4double &  theBR,
const G4double &  Qvalue,
const G4double &  excitation 
)

Definition at line 51 of file G4ITDecay.cc.

54  : G4NuclearDecay("IT decay", IT, excitationE, noFloat), transitionQ(Qvalue),
55  applyARM(true), daughterNucleus(nullptr), photoEvap(0)
56 {
57  SetParent(theParentNucleus); // Store name of parent nucleus, delete G4MT_parent
58  SetBR(branch);
59 
60  parentZ = theParentNucleus->GetAtomicNumber();
61  parentA = theParentNucleus->GetAtomicMass();
62 
63  SetNumberOfDaughters(1);
64  G4IonTable* theIonTable =
65  (G4IonTable*)(G4ParticleTable::GetParticleTable()->GetIonTable());
66  SetDaughter(0, theIonTable->GetIon(parentZ, parentA, excitationE, noFloat) );
67 
68  // Let G4PhotonEvaporation do the decay
69  photoEvap = new G4PhotonEvaporation;
70  photoEvap->RDMForced(true);
71  photoEvap->SetICM(true);
72 }
G4VDecayChannel::SetBR
void SetBR(G4double value)
Definition: G4VDecayChannel.hh:294
G4PhotonEvaporation::RDMForced
virtual void RDMForced(G4bool)
Definition: G4PhotonEvaporation.cc:434
G4IonTable::GetIon
G4ParticleDefinition * GetIon(G4int Z, G4int A, G4int lvl=0)
Definition: G4IonTable.cc:503
G4ParticleDefinition::GetAtomicNumber
G4int GetAtomicNumber() const
G4ParticleTable::GetIonTable
G4IonTable * GetIonTable() const
Definition: G4ParticleTable.cc:658
G4VDecayChannel::SetNumberOfDaughters
void SetNumberOfDaughters(G4int value)
Definition: G4VDecayChannel.cc:257
G4ParticleDefinition::GetAtomicMass
G4int GetAtomicMass() const
G4NuclearDecay::G4NuclearDecay
G4NuclearDecay(const G4String &channelName, const G4RadioactiveDecayMode &mode, const G4double &excitation, const G4Ions::G4FloatLevelBase &floatingLevel)
Definition: G4NuclearDecay.cc:37
G4ParticleTable::GetParticleTable
static G4ParticleTable * GetParticleTable()
Definition: G4ParticleTable.cc:96
G4VDecayChannel::SetParent
void SetParent(const G4ParticleDefinition *particle_type)
Definition: G4VDecayChannel.cc:485
G4VDecayChannel::SetDaughter
void SetDaughter(G4int anIndex, const G4ParticleDefinition *particle_type)
Definition: G4VDecayChannel.cc:325
IT
Definition: G4RadioactiveDecayMode.hh:67
noFloat
#define noFloat
Definition: G4Ions.hh:118

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G4ITDecay::~G4ITDecay ( )
virtual

Definition at line 75 of file G4ITDecay.cc.

76 {
77  delete photoEvap;
78 }

Member Function Documentation

G4DecayProducts * G4ITDecay::DecayIt ( G4double  )
virtual

Implements G4VDecayChannel.

Definition at line 81 of file G4ITDecay.cc.

82 {
83  // Fill G4MT_parent with theParentNucleus (stored by SetParent in ctor)
84  CheckAndFillParent();
85 
86  // Set up final state
87  // parentParticle is set at rest here because boost with correct momentum
88  // is done later
89  G4LorentzVector atRest(G4MT_parent->GetPDGMass(),
90  G4ThreeVector(0.,0.,0.) );
91  G4DynamicParticle parentParticle(G4MT_parent, atRest);
92  G4DecayProducts* products = new G4DecayProducts(parentParticle);
93 
94  // Let G4PhotonEvaporation do the decay
95  G4Fragment parentNucleus(parentA, parentZ, atRest);
96  // G4cout << " START of G4ITDecay::DecayIt: " << G4endl;
97 
98  // Check if the old nuclear polarization can be used
99  G4NuclearPolarization* nucPol(nullptr);
100  G4int oldZ(0), oldA(0);
101  G4double oldMass(0.0);
102  if(daughterNucleus) {
103  nucPol = daughterNucleus->GetNuclearPolarization();
104  if(nucPol) {
105  oldZ = daughterNucleus->GetZ_asInt();
106  oldA = daughterNucleus->GetA_asInt();
107  oldMass = daughterNucleus->GetGroundStateMass() +
108  daughterNucleus->GetExcitationEnergy();
109  }
110  }
111  static const G4double mlimit = 10*CLHEP::eV;
112  if (nucPol && oldZ == parentZ && oldA == parentA
113  && std::abs(atRest.e() - oldMass) < mlimit) {
114  // Continue with existing chain
115  parentNucleus = *daughterNucleus;
116  parentNucleus.SetMomentum(atRest);
117  }
118 
119  // G4cout << " BEFORE TRANSITION fragment = " << G4endl;
120  // G4cout << parentNucleus << G4endl;
121 
122  G4Fragment* eOrGamma = photoEvap->EmittedFragment(&parentNucleus);
123 
124  // G4cout << " AFTER TRANSITION " << G4endl;
125  // G4cout << parentNucleus << G4endl;
126 
127  // Check if IT chain has ended with excited isomere
128  // Take care for deletion of cached G4Fragment
129  if (parentNucleus.GetExcitationEnergy() > mlimit) {
130  // G4cout << " IT chain is continue " << G4endl;
131  delete daughterNucleus;
132  daughterNucleus = new G4Fragment(parentNucleus);
133  } else if(daughterNucleus) {
134  // G4cout << " End of IT chain " << G4endl;
135  delete daughterNucleus;
136  daughterNucleus = nullptr;
137  }
138 
139  // Modified nuclide is returned as dynDaughter
140  G4IonTable* theIonTable =
141  (G4IonTable*)(G4ParticleTable::GetParticleTable()->GetIonTable() );
142  G4ParticleDefinition* daughterIon =
143  theIonTable->GetIon(parentZ, parentA, parentNucleus.GetExcitationEnergy(),
144  G4Ions::FloatLevelBase(parentNucleus.GetFloatingLevelNumber()));
145  G4DynamicParticle* dynDaughter = new G4DynamicParticle(daughterIon,
146  parentNucleus.GetMomentum());
147 
148  if (eOrGamma) {
149  G4DynamicParticle* eOrGammaDyn =
150  new G4DynamicParticle(eOrGamma->GetParticleDefinition(),
151  eOrGamma->GetMomentum() );
152  eOrGammaDyn->SetProperTime(eOrGamma->GetCreationTime() );
153  products->PushProducts(eOrGammaDyn);
154  delete eOrGamma;
155 
156  // Now do atomic relaxation if e- is emitted
157  if (applyARM) {
158  G4int shellIndex = photoEvap->GetVacantShellNumber();
159  if (shellIndex > -1) {
160  G4VAtomDeexcitation* atomDeex =
161  G4LossTableManager::Instance()->AtomDeexcitation();
162  if (atomDeex->IsFluoActive() && parentZ > 5 && parentZ < 100) {
163  G4int nShells = G4AtomicShells::GetNumberOfShells(parentZ);
164  if (shellIndex >= nShells) shellIndex = nShells;
165  G4AtomicShellEnumerator as = G4AtomicShellEnumerator(shellIndex);
166  const G4AtomicShell* shell = atomDeex->GetAtomicShell(parentZ, as);
167  std::vector<G4DynamicParticle*> armProducts;
168 
169  // VI, SI
170  // Allows fixing of Bugzilla 1727
171  G4double deexLimit = 0.1*keV;
172  if (G4EmParameters::Instance()->DeexcitationIgnoreCut()) deexLimit =0.;
173  //
174 
175  atomDeex->GenerateParticles(&armProducts, shell, parentZ, deexLimit,
176  deexLimit);
177  G4double productEnergy = 0.;
178  for (G4int i = 0; i < G4int(armProducts.size()); i++)
179  productEnergy += armProducts[i]->GetKineticEnergy();
180 
181  G4double deficit = shell->BindingEnergy() - productEnergy;
182  if (deficit > 0.0) {
183  // Add a dummy electron to make up extra energy
184  G4double cosTh = 1.-2.*G4UniformRand();
185  G4double sinTh = std::sqrt(1.- cosTh*cosTh);
186  G4double phi = twopi*G4UniformRand();
187 
188  G4ThreeVector electronDirection(sinTh*std::sin(phi),
189  sinTh*std::cos(phi), cosTh);
190  G4DynamicParticle* extra =
191  new G4DynamicParticle(G4Electron::Electron(), electronDirection,
192  deficit);
193  armProducts.push_back(extra);
194  }
195 
196  G4int nArm = armProducts.size();
197  if (nArm > 0) {
198  G4ThreeVector bst = dynDaughter->Get4Momentum().boostVector();
199  for (G4int i = 0; i < nArm; ++i) {
200  G4DynamicParticle* dp = armProducts[i];
201  G4LorentzVector lv = dp->Get4Momentum().boost(bst);
202  dp->Set4Momentum(lv);
203  products->PushProducts(dp);
204  }
205  }
206  }
207  }
208  } // if ARM on
209  } // eOrGamma
210 
211  products->PushProducts(dynDaughter);
212 
213  // Energy conservation check
214  /*
215  G4int newSize = products->entries();
216  G4DynamicParticle* temp = 0;
217  G4double KEsum = 0.0;
218  for (G4int i = 0; i < newSize; i++) {
219  temp = products->operator[](i);
220  KEsum += temp->GetKineticEnergy();
221  }
222  G4double eCons = G4MT_parent->GetPDGMass() - dynDaughter->GetMass() - KEsum;
223  G4cout << " IT check: Ediff (keV) = " << eCons/keV << G4endl;
224  */
225 // delete photoEvap;
226  // G4cout << " END G4ITDecay::DecayIt " << G4endl;
227  return products;
228 }
CLHEP::HepLorentzVector::boostVector
Hep3Vector boostVector() const
Definition: LorentzVector.cc:177
G4LossTableManager::Instance
static G4LossTableManager * Instance()
Definition: G4LossTableManager.cc:112
G4VAtomDeexcitation::IsFluoActive
G4bool IsFluoActive() const
Definition: G4VAtomDeexcitation.hh:205
G4ThreeVector
CLHEP::Hep3Vector G4ThreeVector
Definition: G4ThreeVector.hh:42
G4DecayProducts::PushProducts
G4int PushProducts(G4DynamicParticle *aParticle)
Definition: G4DecayProducts.cc:153
G4VDecayChannel::G4MT_parent
G4ParticleDefinition * G4MT_parent
Definition: G4VDecayChannel.hh:192
G4IonTable::GetIon
G4ParticleDefinition * GetIon(G4int Z, G4int A, G4int lvl=0)
Definition: G4IonTable.cc:503
G4PhotonEvaporation::EmittedFragment
virtual G4Fragment * EmittedFragment(G4Fragment *theNucleus) final
Definition: G4PhotonEvaporation.cc:109
G4Fragment::GetParticleDefinition
const G4ParticleDefinition * GetParticleDefinition() const
Definition: G4Fragment.hh:438
G4AtomicShell::BindingEnergy
G4double BindingEnergy() const
Definition: G4AtomicShell.hh:80
G4int
int G4int
Definition: G4Types.hh:78
twopi
static constexpr double twopi
Definition: G4SIunits.hh:76
G4VAtomDeexcitation::GetAtomicShell
virtual const G4AtomicShell * GetAtomicShell(G4int Z, G4AtomicShellEnumerator shell)=0
G4ParticleTable::GetIonTable
G4IonTable * GetIonTable() const
Definition: G4ParticleTable.cc:658
G4Ions::FloatLevelBase
static G4Ions::G4FloatLevelBase FloatLevelBase(char flbChar)
Definition: G4Ions.hh:189
G4UniformRand
#define G4UniformRand()
Definition: Randomize.hh:97
G4Fragment::GetA_asInt
G4int GetA_asInt() const
Definition: G4Fragment.hh:266
G4Fragment::GetCreationTime
G4double GetCreationTime() const
Definition: G4Fragment.hh:448
G4Fragment::GetMomentum
const G4LorentzVector & GetMomentum() const
Definition: G4Fragment.hh:307
CLHEP::HepLorentzVector::boost
HepLorentzVector & boost(double, double, double)
Definition: LorentzVector.cc:59
G4Fragment::SetMomentum
void SetMomentum(const G4LorentzVector &value)
Definition: G4Fragment.hh:312
G4Fragment::GetGroundStateMass
G4double GetGroundStateMass() const
Definition: G4Fragment.hh:288
G4DynamicParticle::Get4Momentum
G4LorentzVector Get4Momentum() const
G4PhotonEvaporation::GetVacantShellNumber
G4int GetVacantShellNumber() const
Definition: G4PhotonEvaporation.hh:161
CLHEP::eV
static constexpr double eV
Definition: SystemOfUnits.h:175
G4DynamicParticle::Set4Momentum
void Set4Momentum(const G4LorentzVector &momentum)
Definition: G4DynamicParticle.cc:385
G4ParticleDefinition::GetPDGMass
G4double GetPDGMass() const
Definition: G4ParticleDefinition.hh:122
G4ParticleTable::GetParticleTable
static G4ParticleTable * GetParticleTable()
Definition: G4ParticleTable.cc:96
G4EmParameters::Instance
static G4EmParameters * Instance()
Definition: G4EmParameters.cc:67
G4Fragment::GetZ_asInt
G4int GetZ_asInt() const
Definition: G4Fragment.hh:271
G4Electron::Electron
static G4Electron * Electron()
Definition: G4Electron.cc:94
G4LossTableManager::AtomDeexcitation
G4VAtomDeexcitation * AtomDeexcitation()
Definition: G4LossTableManager.hh:444
G4double
double G4double
Definition: G4Types.hh:76
G4VAtomDeexcitation::GenerateParticles
void GenerateParticles(std::vector< G4DynamicParticle * > *secVect, const G4AtomicShell *, G4int Z, G4int coupleIndex)
Definition: G4VAtomDeexcitation.hh:274
G4DynamicParticle::SetProperTime
void SetProperTime(G4double)
keV
static constexpr double keV
Definition: G4SIunits.hh:216
G4AtomicShellEnumerator
G4AtomicShellEnumerator
Definition: G4AtomicShellEnumerator.hh:50
G4Fragment::GetExcitationEnergy
G4double GetExcitationEnergy() const
Definition: G4Fragment.hh:283
G4Fragment::GetNuclearPolarization
G4NuclearPolarization * GetNuclearPolarization() const
Definition: G4Fragment.hh:458
G4AtomicShells::GetNumberOfShells
static G4int GetNumberOfShells(G4int Z)
Definition: G4AtomicShells.cc:747

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void G4ITDecay::DumpNuclearInfo ( )
virtual

Implements G4NuclearDecay.

Definition at line 231 of file G4ITDecay.cc.

232 {
233  G4cout << " G4ITDecay for parent nucleus " << GetParentName() << G4endl;
234  G4cout << " decays to " << GetDaughterName(0)
235  << " + gammas (or electrons), with branching ratio " << GetBR()
236  << "% and Q value " << transitionQ << G4endl;
237 }
G4VDecayChannel::GetBR
G4double GetBR() const
Definition: G4VDecayChannel.hh:297
G4VDecayChannel::GetParentName
const G4String & GetParentName() const
Definition: G4VDecayChannel.hh:265
G4cout
G4GLOB_DLL std::ostream G4cout
G4VDecayChannel::GetDaughterName
const G4String & GetDaughterName(G4int anIndex) const
Definition: G4VDecayChannel.hh:228
G4endl
#define G4endl
Definition: G4ios.hh:61

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void G4ITDecay::SetARM ( G4bool  onoff)
inline

Definition at line 59 of file G4ITDecay.hh.

59 {applyARM = onoff;}

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The documentation for this class was generated from the following files: